Comcast

Mobile Engineer- iOS and Flutter

Comcast$100K — $130K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 4+ years of professional iOS development experience.
  • Strong proficiency in Swift.
  • Hands-on experience with Spec-Driven Development (SDD).
  • Experience integrating RESTful APIs and managing complex client-side state logic.
  • Familiarity with MVVM or Clean Architecture.

Responsibilities

  • Build and maintain iOS features for Home Protection experiences.
  • Collaborate with product, backend, and device teams for end-to-end solutions.
  • Contribute to app architecture and technical decisions.
  • Write clean, maintainable Swift code using modern iOS frameworks.
  • Implement dynamic SDD rendering frameworks for backend-driven mobile UI.
  • Improve app performance and user experience across integration layers.
  • Debug and resolve complex production and connectivity issues.

Benefits

  • Comprehensive support tailored to personal needs.
  • Options for physical, financial, and emotional well-being.
  • Strong emphasis on employee learning and growth.
  • Defined onboarding program with clear goals.
Full Job Description

Job Summary

Comcast Technology and Product Experience (TPX) is seeking an experienced iOS Developer to join the Connected Living Protection Experiences Engineering team. This group is responsible for customer-facing mobile application development for Comcast’s Home Security IoT product offerings. This includes the native iOS Xfinity application, which primarily handles our cloud-enabled Internet Gateway for millions of homes but is expanding to become Comcast's primary mobile app with new features such as bill pay.

Learn more about us at https://www.xfinity.com/apps

Job Description

This position is unable to provide work authorization sponsorship or immigration support now or in the future.

We’re looking for an iOS Engineer to join the Protection Experiences Client Squad and help build IoT and Home Security experiences used by millions of Xfinity customers. In this role, you’ll develop high-quality mobile features, collaborate across teams, and contribute to a modern codebase powering real-time smart home device interactions, mode switching, and onboarding journeys.

This is an ideal opportunity for engineers who enjoy building highly dynamic, user-facing features, working with connected device ecosystems, and contributing to scalable mobile architectures.


What You’ll Do

  • Build and maintain iOS features for Home Protection experiences.
  • Collaborate with product, backend, and device teams to deliver end-to-end solutions.
  • Contribute to app architecture, design discussions, and high-leverage technical decisions.
  • Write clean, maintainable Swift code using modern iOS frameworks, while utilizing cross-platform frameworks where appropriate.
  • Implement and expand dynamic, Spec-Driven Development (SDD) rendering frameworks to deliver backend-driven mobile UI.
  • Improve app performance, reliability, and user experience across hardware/software integration layers.
  • Debug and resolve complex production and connectivity issues.
  • Participate in code reviews and support a culture of continuous improvement.

Required Qualifications

  • 4+ years of professional iOS development experience.
  • Strong proficiency in Swift.
  • Hands-on experience with Spec-Driven Development (SDD) or building UI frameworks driven dynamically by backend JSON schemas.
  • Experience integrating RESTful APIs and managing complex client-side state logic.
  • Familiarity with MVVM, Clean Architecture, or similar architecture patterns.
  • Solid debugging and problem-solving skills.
  • Ability to work effectively in a collaborative team environment.

Preferred Qualifications

  • Professional experience or deep familiarity with Flutter and Dart for cross-platform mobile development.
  • Experience building smart home, IoT, hardware activation, or physical device orchestration workflows.
  • Familiarity with SwiftUI, Combine, and modern iOS development tools.
  • Familiarity with IoT messaging protocols, particularly MQTT connection management, throttling, or backoff/failover logic.
  • Understanding of Apple’s privacy policies, permissions, and app lifecycles.
  • Experience building or maintaining large-scale consumer applications.

How We Work

  • Squad-based development model with close collaboration across iOS, Android, and product management teams.
  • Regular design reviews and mobile guild meetings to align on architecture, cross-platform alignment, and best practices.
  • Strong onboarding program with clear 30-, 60-, and 90-day goals.
  • Emphasis on learning, growth, cutting-edge engineering workflows, and knowledge sharing.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Skills

Cross-Platform Integration, iOS Mobile Architecture, MQTT (Message Queuing Telemetry Transport), Specification Development, SwiftUI, Systems Development Lifecycle (SDLC), Team Player

We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools that are personalized to meet the needs of your reality—to help support you physically, financially and emotionally through the big milestones and in your everyday life.


Please visit the on our careers site for more details.

Education

Bachelor's Degree

While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable)

Relevant Work Experience

5-7 Years

About Comcast

FreeWheel manages the economics of content for the enterprise class of entertainment, offering technical infrastructure for revenue rights management and business operations, wrapped in advisory services. They offer advertising sales rights, display, video, mobile ad management, contract management, professional content, ad serving, reporting, analytics, technology, services, advisory services, business operations, programmatic advertising, advertising marketplace, and linear, and online advertising.

Comcast Careers

Joining Comcast means becoming part of a dynamic team committed to shaping the future of media and technology. As a leading company in entertainment, communications, and technology, Comcast offers unparalleled job opportunities designed to foster professional growth and innovation. Work You’ll Do At Comcast, you’ll be part of a culture that cherishes diversity, leadership, and innovation. Our team is at the forefront of the industry, leading changes that redefine how people connect and experience content across the globe. Transform your career with a company that is committed to your professional development. Comcast offers a variety of positions across multiple fields, where your skills will be honed for leadership roles and your career aspirations supported by comprehensive training programs. Join Our Leading Team Be part of a team that values creativity and diversity. Comcast’s commitment to inclusive culture and diversity training ensures that every team member’s voice is heard and valued. This approach not only enhances our work environment but also drives our leadership in the competitive tech industry. Innovate with Us Engage in work that matters with a team of over 100,000 employees worldwide. At Comcast, innovation isn’t just another buzzword—it's at the core of everything we do. From developing groundbreaking technology to reimagining how our customers experience entertainment and communication, your work will influence millions. Internship and Employment Opportunities Start your career with a Comcast internship, where you’ll gain invaluable industry experience, network with professionals, and develop skills that will benefit you throughout your career. For those seeking full-time positions, Comcast’s hiring process is designed to find not just the right skills but the right fit for our culture of growth and innovation. Benefits and Growth Comcast is dedicated to the well-being and advancement of our team members. Enjoy a wealth of benefits that support both your professional and personal life, including health, wellness, and retirement plans. Our employees are encouraged to pursue continuous growth through professional development opportunities and leadership training. Stay Connected Join the Comcast Team Explore job opportunities that match your skills and interests. We are always looking for passionate, curious, and solution-driven team players. Search Comcast jobs today and find out where your career could take you. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Read Careers Blog Job Alert Emails Customize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Comcast. By joining Comcast, you’re not just finding a job—you’re joining a community of innovators who are passionate about creating extraordinary experiences for our customers and for each other.
Learn more about Comcast
Size
31,000 employees
Market Cap
$149.9 billion
Industry
Net Income
$10.5 billion
Founded
1963
5 Year Trend
+7.6%
Revenue
$103.5 billion
NASDAQ

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